DNA sequencing and rolling mill: what they have in common

1. Step 1. DNA sequencing — uses — Laser. Fluorescent sequencing.
2. Step 2. Laser — evolved from — Maser. A laser is an optical maser.
3. Step 3. Maser — is made of — Ammonia. The first maser ran on ammonia.
4. Step 4. Ammonia — uses — Haber–Bosch process. The Haber–Bosch synthesis.
5. Step 5. Haber–Bosch process — uses — Pressure. High pressure.
6. Step 6. Pressure — is used in — Rolling mill. Squeezing with rolls.

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